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ivann1987 [24]
3 years ago
15

What is gravity and how does it work? give examples.

Chemistry
2 answers:
Romashka-Z-Leto [24]3 years ago
5 0
Gratuity it was Keeps you on your feet so you're not floating around.
it a force holding you down
aliya0001 [1]3 years ago
4 0
Gravity is what pulls objects down to the Earth.

Here is the scientific definition for gravity: "the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account."
It works like this: Gravity makes an object go down. Like it is what makes people stand on earth and not fly all around Earth and space.
Space has flying objects like meteors, space objects that fly up there, and other things like those that go to space. If space had gravity we would have a whole bunch of planets, meteors, and even us (the whole earth with it) would fall down and probably would never stop falling because space doesn't have an end. But space has 0% gravity which causes us to not fall but since we are on the ring circling around the sun, earth doesn't go flying all around space.

An example is: Us. We're an example of gravity because we stick to the ground. Another example is: If there was a table with a rock on it, but the table moved, the rock would fall because of gravity and nothing would be in its way.

Glad to help! :)
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I need help solving this for chemistry. Don’t know where to start:/
Juli2301 [7.4K]
1 electron has charge =1.602* 10⁻¹⁹ C
1 mole of electrons have 1.602* 10⁻¹⁹*6.02*10²³C = 9.64*10⁴ C/1mol

One ion Co²⁺   takes 2e⁻ to become Co⁰.
1 mol of Co²⁺  ions take 2 mole of e⁻ to become Co⁰, so
 0.30 mol Co²⁺  ions take mole of 0.60 mol e⁻ to become Co⁰

9.64*10⁴(C/1mol) *0.60 (mol)≈ 5.8 *10⁴ Coulombs.
Correct answer is C
8 0
4 years ago
Sucrose, a major product of photosynthesis in green leaves, is synthesized by a battery of enzymes. The substrates for sucrose s
Gwar [14]

Answer:

Sucrose is a disaccharide composed of alpha D gluose and beta D fructose linked together by beta 2,alpha1 glycosidic linkage.

Explanation:

The specificity of glycosidic linkage very much essential to choose the substrate for the synthesis of specific disaccharide.

 For example sucrose contain beta 2,alpha1 glycosidic linkage that means the hydroxyl group of anomeric carbon of one monosaccharide(fructose) should remain in beta conformation and the hydroxyl group of other monosaccharide(glucose) should remain in alpha conformation.

   

5 0
3 years ago
The specific heats at constant pressure of some common gases are provided as a thirdorder polynomial: �;<<< = � + �� +
3241004551 [841]

Answer:

1.991 kJ

Explanation:

Calculate the amount of heat ( J )

CH4 ;

coefficients are :  a = 19.89 , b = 5.02 * 10^-2 , c = 1.269 * 10^-5 , d = -11.01 * 10^-9

attached below is the detailed solution

3 0
3 years ago
Climate is the __________________ average weather conditions that occur in a particular region.
masya89 [10]

Explanation:

Climate is the period of time average weather condition which occurs at a place

6 0
3 years ago
Read 2 more answers
Two objects are brought into contact Object 1 has mass 0.76 kg, specific heat capacity 0.87) g'c and initial temperature 52.2 'C
taurus [48]

Answer:

T_F=77.4\°C

Explanation:

Hello there!

In this case, according to the given information, it turns out possible to set up the following energy equation for both objects 1 and 2:

Q_1=-Q_2

In terms of mass, specific heat and temperature change is:

m_1C_1(T_F-T_1)=-m_2C_2(T_F-T_2)

Now, solve for the final temperature, as follows:

T_F=\frac{m_1C_1T_1+m_2C_2T_2}{m_1C_1+m_2C_2}

Then, plug in the masses, specific heat and temperatures to obtain:

T_F=\frac{760g*0.87\frac{J}{g\°C} *52.2\°C+70.7g*3.071\frac{J}{g\°C}*154\°C}{760g*0.87\frac{J}{g\°C} +70.7g*3.071\frac{J}{g\°C}} \\\\T_F=77.4\°C

Yet, the values do not seem to have been given correctly in the problem, so it'll be convenient for you to recheck them.

Regards!

4 0
3 years ago
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